Sebastian Zickau wrote:
If what you want is aggregate all your databases to present them as a
single database but still have some replication you should go for a
RAIDb-2 configuration. Just put all databases in the same RAIDb-2
virtual database, the controller will detect automatically the db
schemas available on each backend and update the databases as needed.
Be careful that in that scenario, table names must be different for
each database (Tubis, DB1, DB2 and DB3). Also you will not be allowed
to use fully qualified names in your queries (such as SELECT DB1.x
WHERE DB2.x=DB3.y).
Do you mean by 'in that scenario' the RAIDb-2 or the nested RAIDb0-1
version. Or is the limitation for both concepts?
That applies to both.
Best,
Emmanuel
--
Emmanuel Cecchet
Chief Scientific Officer, Continuent
Blog: http://emanux.blogspot.com/
Open source: http://www.continuent.org
Corporate: http://www.continuent.com
Skype: emmanuel_cecchet
Cell: +33 687 342 685
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